Chile's Atacama Desert, known as the world's driest non-polar desert, is currently covered in a vast blanket of wildflowers. Craggy desert ground that is usually bare has turned into a sea of pink, yellow, lilac, and purple blossoms. The rare event, known locally as the Desierto Florido (Desert Bloom), has produced the largest and most colorful display seen in the region in 30 years.
The bloom was triggered by unusual weather earlier this year. Heavy rains linked to an El Niño climate cycle struck the desert in July and August, causing flash floods that damaged homes and forced hundreds of people to evacuate. However, the rainwater also penetrated much deeper into the parched earth than it had in decades. The moisture woke up millions of seeds, bulbs, and tubers that had remained dormant under the sand for years.
More than 200 plant species are now flowering across the desert. Scientists studying the phenomenon reported blooms in areas where flowers had never been recorded before. This suggests that some bulbs had survived quietly underground since before researchers began detailed studies of the desert in 1997.
The colorful display will only last for a short time. Moisés Grimberg, the administrator of Llanos de Challe National Park, described the desert as a natural seed bank that becomes a living archive when rain arrives. The plants now have a biological window of roughly two to three months to complete their life cycle. In just a few weeks, the petals will dry out and drop their seeds into the soil, where they will wait until the next heavy rainfall brings them back to life.